Keystones — Bedrock
Five GCSE retrieval questions · 5 June 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 33 + 11
Answer: 33 + 11 = 44 -
2. Algebra Substitution
If x = 8, find the value of 3x + 7
Answer: 31 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 12, 23, 16, 5
Answer: 14